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Cheap flights from London Heathrow Airport to Houston from $517

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Houston departing on 1/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:40 am - 9:47 pmLHR-IAH
21h 07m2 stops
Multiple Airlines Logo
5:45 am - 5:00 pmIAH-LHR
29h 15m3 stops
$754Multiple Airlines
Find Deal
sáb., nov. 15 - mar., nov. 18
JetBlue Logo
9:20 am - 12:41 pmLHR-IAH
33h 21m1 stop
JetBlue Logo
1:38 pm - 6:55 amIAH-LHR
11h 17m1 stop
$756JetBlue
Find Deal
sáb., nov. 15 - mar., nov. 18
Multiple Airlines Logo
6:50 am - 11:01 pmLHR-IAH
22h 11m3 stops
Multiple Airlines Logo
12:17 pm - 5:30 pmIAH-LHR
23h 13m3 stops
$758Multiple Airlines
Find Deal
mié., ene. 14 - mié., ene. 21
WestJet Logo
2:50 pm - 5:29 pmLHR-IAH
32h 39m1 stop
WestJet Logo
3:00 pm - 12:05 pmIAH-LHR
15h 05m1 stop
$761WestJet
Find Deal
lun., ene. 26 - dom., abr. 26
WestJet Logo
2:50 pm - 12:44 pmLHR-IAH
27h 54m1 stop
WestJet Logo
1:35 pm - 12:50 pmIAH-LHR
17h 15m1 stop
$773WestJet
Find Deal
dom., nov. 16 - jue., dic. 4
Icelandair Logo
8:05 am - 12:41 pmLHR-IAH
34h 36m2 stops
Icelandair Logo
1:38 pm - 6:55 amIAH-LHR
11h 17m1 stop
$783Icelandair
Find Deal
sáb., nov. 15 - mar., nov. 18
Icelandair Logo
9:20 am - 9:37 amLHR-IAH
30h 17m1 stop
Icelandair Logo
1:36 pm - 6:55 amIAH-LHR
11h 19m1 stop
$791Icelandair
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sáb., nov. 22 - sáb., dic. 6
British Airways Logo
10:05 am - 8:18 pmLHR-HOU
16h 13m1 stop
British Airways Logo
6:36 pm - 12:15 pmHOU-LHR
11h 39m1 stop
$1,051British Airways
Find Deal
mié., dic. 3 - mar., dic. 9
British Airways Logo
10:35 am - 6:06 pmLHR-HOU
13h 31m1 stop
British Airways Logo
6:29 pm - 11:40 amHOU-LHR
12h 11m1 stop
$1,055British Airways
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lun., feb. 9 - lun., mar. 9
American Airlines Logo
4:30 pm - 11:58 pmLHR-HOU
13h 28m1 stop
American Airlines Logo
4:25 pm - 10:00 amHOU-LHR
11h 35m1 stop
$1,124American Airlines
Find Deal
jue., dic. 4 - lun., dic. 8

British Airways flights from London Heathrow Airport to Houston

Our best British Airways deals on London Heathrow Airport to Houston flight tickets
British Airways
Dec 3
LHR10:05 amLondon Heathrow
16h 13m
1 stop
HOU8:18 pmHouston Hobby
Dec 9
HOU6:36 pmHouston Hobby
11h 39m
1 stop
LHR12:15 pmLondon Heathrow
$1,051
Find similar
British Airways
Feb 9
LHR10:35 amLondon Heathrow
13h 31m
1 stop
HOU6:06 pmHouston Hobby
Mar 9
HOU6:29 pmHouston Hobby
12h 11m
1 stop
LHR11:40 amLondon Heathrow
$1,055
Find similar
British Airways
Jan 12
LHR3:00 pmLondon Heathrow
13h 46m
1 stop
HOU10:46 pmHouston Hobby
Jan 19
HOU4:55 pmHouston Hobby
11h 05m
1 stop
LHR10:00 amLondon Heathrow
$1,057
Find similar

Delta flights from London Heathrow Airport to Houston

Our best Delta deals on London Heathrow Airport to Houston flight tickets
Delta
Dec 8
LHR6:30 amLondon Heathrow
17h 22m
2 stops
HOU5:52 pmHouston Hobby
Dec 24
HOU10:46 amHouston Hobby
16h 14m
1 stop
LHR9:00 amLondon Heathrow
$1,079
Find similar
Delta
Jan 28
LHR6:30 amLondon Heathrow
22h 05m
2 stops
HOU10:35 pmHouston Hobby
Feb 4
HOU5:35 amHouston Hobby
18h 45m
2 stops
LHR6:20 amLondon Heathrow
$1,081
Find similar
Delta
Jan 14
LHR8:40 amLondon Heathrow
19h 55m
2 stops
HOU10:35 pmHouston Hobby
Jan 21
HOU11:09 amHouston Hobby
15h 36m
2 stops
LHR8:45 amLondon Heathrow
$1,087
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

sáb. 11/15

6:40 am-9:47 pm

2 stops21h 07m

Houston George Bush Intcntl

mar. 11/18

5:45 am-5:00 pm

3 stops29h 15m

$754

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

sáb. 11/15

9:20 am-12:41 pm

1 stop33h 21m

Houston George Bush Intcntl

mar. 11/18

1:38 pm-6:55 am

1 stop11h 17m

$756

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

mié. 1/14

6:50 am-11:01 pm

3 stops22h 11m

Houston George Bush Intcntl

mié. 1/21

12:17 pm-5:30 pm

3 stops23h 13m

$758

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

lun. 1/26

2:50 pm-5:29 pm

1 stop32h 39m

Houston George Bush Intcntl

dom. 4/26

3:00 pm-12:05 pm

1 stop15h 05m

$761

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

dom. 11/16

2:50 pm-12:44 pm

1 stop27h 54m

Houston George Bush Intcntl

jue. 12/4

1:35 pm-12:50 pm

1 stop17h 15m

$773

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

sáb. 11/15

8:05 am-12:41 pm

2 stops34h 36m

Houston George Bush Intcntl

mar. 11/18

1:38 pm-6:55 am

1 stop11h 17m

$783

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

sáb. 11/22

9:20 am-9:37 am

1 stop30h 17m

Houston George Bush Intcntl

sáb. 12/6

1:36 pm-6:55 am

1 stop11h 19m

$791

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

mié. 12/3

10:05 am-8:18 pm

1 stop16h 13m

Houston Hobby

mar. 12/9

6:36 pm-12:15 pm

1 stop11h 39m

$1,051

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

lun. 2/9

10:35 am-6:06 pm

1 stop13h 31m

Houston Hobby

lun. 3/9

6:29 pm-11:40 am

1 stop12h 11m

$1,055

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

jue. 12/4

4:30 pm-11:58 pm

1 stop13h 28m

Houston Hobby

lun. 12/8

4:25 pm-10:00 am

1 stop11h 35m

$1,124

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from London Heathrow Airport to Houston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston?

The month of January is, on average, the cheapest month to fly to Houston from London Heathrow Airport, with most prices found around $827. The month of May is another great option to travel to Houston, with average flight prices from London Heathrow Airport averaging around $871.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from London Heathrow Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $894. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $1,280.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest London Heathrow Airport to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $759. Try not to purchase tickets in the morning because they tend to be around $991. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Houston flight route?

Fly from London Heathrow to Houston George Bush Intcntl for the best London Heathrow - Houston flight prices

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $980 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from London Heathrow Airport for as low as $794 on momondo.

What cabin class options are available on London Heathrow to Houston flights?

There are 4 cabin classes available to choose from on London Heathrow to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London Heathrow Airport to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Houston

Fastest flight time

10h 15m

Direct flights

Every day

Airports in Houston

1 airport
The fastest flight from London Heathrow Airport to Houston takes 10h 15m
Direct flights go from London Heathrow Airport to Houston every day.
There is 1 airport near Houston: Houston George Bush Intcntl (IAH)
Search flight deals

  • How far is London Heathrow to Houston by plane?

    A flight from London Heathrow to Houston will travel around 4833.3 mi. By plane, this route typically takes 13h 07m.

  • When did momondo last update prices for flights from London Heathrow Airport to Houston?

    Prices for flights from London Heathrow Airport to Houston were last updated today.

  • How many operators does momondo search for flights from London Heathrow Airport to Houston?

  • How old do you have to be to fly from London Heathrow Airport to Houston?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Houston.

  • What documentation or ID do you need to fly to Houston?

    The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London Heathrow Airport to Houston

Compare and see reviews for airlines that fly from London Heathrow Airport to Houston with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $496Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
LufthansaPriceFrom $652Free CancellationRating
6.8
7,541 reviews
Search Lufthansa flights
British AirwaysPriceFrom $730Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
Austrian AirlinesPriceFrom $803Free CancellationRating
7.6
862 reviews
Search Austrian Airlines flights
United AirlinesPriceFrom $825Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Houston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from London.

Can I find flights from London to Houston with flexible booking policies on momondo?

All flight searches from London to Houston on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Houston?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from London.

I’m not ready to book a flight from London to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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sáb. 11/29
sáb. 12/6
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